Anybody, anytime andanyplace always are called A. So the development trend of geography information system isnamed A GIS by me.
Anybody, anytime andanyplace always are called A. So the development trend of geography information system isnamed A GIS by me.
Anybody、Anytime、Anyplace 简称为 A,而由此把地理信息系统的发展趋势称为 A GIS。